later, the jury finally gets to decide whether jodi arias killed her boyfriend in self-defense or murdered him in cold blood. blockbuster closing arguments and only on "360," the friend who lived with the missing mom, brenda heist, during some of the 11 years she was presumed dead and gone. >>> we begin with breaking news, on a day that president obama once again said the assad regime's use of chemical weapons would be a game changer, after a week of weighing military action or directly supporting the opposition, a u.s. ally, israel, has apparently hit syria from the air.